A Photonic RF Phase Shifter Based on a Dual-Parallel Mach-Zehnder Modulator and an Optical Filter

被引:17
|
作者
Shen, Jianguo [1 ,2 ]
Wu, Guiling [1 ]
Zou, Weiwen [1 ]
Chen, Jianping [1 ]
机构
[1] Shanghai Jiao Tong Univ, State Key Lab Adv Opt Commun Syst & Networks, Shanghai Key Lab Nav & Locat Based Serv, Dept Elect Engn, Shanghai 200240, Peoples R China
[2] Zhejiang Normal Univ, Coll Math Phys & Informat Engn, Jinhua 321004, Peoples R China
基金
中国国家自然科学基金;
关键词
STIMULATED BRILLOUIN-SCATTERING; SIDE-BAND MODULATION; SLOW LIGHT; DELAY-LINE;
D O I
10.1143/APEX.5.072502
中图分类号
O59 [应用物理学];
学科分类号
摘要
A photonic RF phase shifter using a dual parallel Mach-Zehnder modulator (DPMZM) and a tunable optical band-pass filter is demonstrated. The dependences of the linearity and power stability of the proposed RF phase shifter on the performance of the DPMZM and the optical filter are theoretically analyzed and numerically simulated. In the experiment, a continuously tunable range of more than 450 degrees phase shift and a small power variation of less than 1.6 dB for a wideband RF range (8-12 GHz) are achieved by simply tuning the bias voltage of the DPMZM. The experimental results agree well with the theoretical analysis. (C) 2012 The Japan Society of Applied Physics
引用
收藏
页数:3
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